Diamond grinding wheel manufacturers: What is a diamond grinding wheel?

Nov 09,2021

Diamond grinding wheel manufacturers: Diamond grinding wheels, also known as diamond dressing wheels or diamond wheel dressers, are tools used for the dressing of grinding wheels in large-scale shaping and grinding. They can effectively replace single crystal diamond pens for dressing grinding wheels, significantly improving production efficiency and achieving higher surface quality and precision of processed parts.

　　Diamond grinding wheel manufacturer: The diamond grinding wheel, also known as the diamond dressing wheel or diamond wheel dresser, is a tool used for dressing grinding wheels in large-scale molding and grinding. It can effectively replace single crystal diamond pen dressers, greatly improving production efficiency and enhancing the surface quality and precision of processed parts.

　　Industries using diamond grinding wheels

　　Diamond grinding wheel manufacturer: Diamond grinding wheels can be used in industries such as automotive, aerospace, measuring tools, and machine tools. Typical applications include gears, bearings, crankshafts, screws, ball cages, blades, fuel injector pumps, cutting tools, guide rail blocks, micro rails, calipers, etc. In other words, wherever there is a demand for large-scale and high-precision dressing of grinding wheels, diamond grinding wheels can be used in conjunction with CNC machine tools and gear grinders.

Diamond grinding wheel manufacturer, diamond grinding wheel

　　Precautions for using diamond grinding wheels

　　Currently, with the increasing number of hard and difficult-to-grind materials in the machinery industry, the quantity of diamond dressing wheels is also on the rise. Among today's abrasives, diamonds have high hardness and are not easily worn out but are not particularly heat-resistant. To use diamond grinding wheels effectively and reasonably, the following points should be noted:

　　1. Diamond grinding wheel manufacturer: The main parameters such as circumferential speed of the diamond grinding wheel during dressing operations, left-right feed amount, front-back feed amount.

　　2. Diamond grinding wheel manufacturer: The feed amount and grinding pressure during the operation of the diamond grinding wheel as well as deviations or misalignments of the diamond grinding wheel.

　　3. Diamond grinding wheel manufacturer: When dressing a grindstone with a diamond grinding wheel, follow the action sequence of fast approach (do not touch the grindstone) → slow approach (feed at required cutting speed) → polishing → withdrawal. Incorrect steps are not allowed; otherwise it will affect the lifespan of the diamond grinding wheel.

　　What is used to dress a diamond grinding wheel?

　　Diamond grinding wheel manufacturer: Whether a worn-out diamond grinding wheel can be dressed again is not a general issue; it should be judged based on specific working conditions and types of wheels. Theoretically speaking, electroplated diamond wheels are not recommended for re-dressing; sintered diamond wheels can be dressed again. However, for high-precision grindstone dressing tasks, manufacturers do not recommend re-dressing wheels; instead they suggest replacing them with new ones after use.

Tips to note when using a diamond dresser

How to choose a diamond grinding wheel manufacturer?

What do diamond tools include?

In recent years, as the applications of diamond tools have become increasingly widespread, their development has accelerated. Today, let's recall what diamond tools are present around us! Diamond tools refer to products made from diamond grit and micro-powder as cutting and grinding materials, aided by binders or other auxiliary materials, which have certain shapes, properties, and uses. Diamond tools can be classified by purpose into: (1) Abrasives including bonded abrasives, coated abrasives, and loose abrasives such as grinding wheels, sanding sheets, grinding stones, grinding heads, sand belts, polishing pastes, etc. (2) Cutting tools divided into two categories: one category is for cutting granite, marble, and concrete.

Aug 16,2021

Issues to pay attention to when grinding valve lock grooves with diamond grinding wheels

Using diamond grinding wheels to dress the grinding wheel, the profile is opposite to the required wheel profile, and it moves in the same direction as the wheel being dressed, shaping the wheel into the desired form. The dedicated grinding machine for lock clamps uses diamond wheels to dress the grinding wheel, which is then used to grind valves. The diamond wheels we use are coated with a layer of uniformly distributed diamond particles on a steel substrate through electroplating. When using them, two points must be noted: First, when loading and unloading the diamond wheel, gently tap with a copper rod to prevent diamond particles from falling off. Second, before dressing the grinding wheel with the diamond wheel, it is essential to adjust the relative position of the diamond wheel and grinding wheel in manual mode. For example: The automatic compensation amount for J4-048 lock clamp grinder is 0.01mm with a compensation amount of 50mm. To meet this compensation amount, a grinding wheel grit size of 120# is generally selected. When grinding lock clamp grooves, we dress the grinding wheel once every 20 products, taking 30 seconds for dressing time and maintaining a dressing line speed ratio of 0.59. Sampling tests show that surface roughness Ra is between 0.63 and 1.25μm, and shape and positional accuracy are within 0.03mm, fully meeting customer requirements. Practice has proven that one diamond wheel can produce 60,000 to 80,000 qualified products. The precision of lock clamp grooves mainly relies on the accuracy of the diamond wheels. As a core component of lock clamp groove grinders, the design of its profile is particularly important. Using diamond wheels produced by Dongjin in Henan for dressing grinding wheels ensures high precision and long service life while achieving good surface roughness in workpiece processing, making it especially suitable for mass production.

Mar 18,2022

Grinding Principles

A discipline that studies various physical phenomena and their intrinsic connections between grinding tools and workpieces during the grinding process. The research content of grinding principles mainly includes the process of chip formation, grinding force and power, grinding heat and temperature, grinding accuracy and surface quality, grinding efficiency, etc., with the aim of gaining a deeper understanding of the essence of grinding and thereby improving or creating grinding methods. The study of grinding principles began in 1886 when C.H. Norton and C. Allen from the United States collaborated to study grinding wheels and processes. Twenty years later, they established principles for correctly selecting wheel types and speeds; at the same time, they discovered that in order to improve grinding efficiency and accuracy...

Aug 16,2021

Australian researchers use 3D printed diamond implants for biomedical and orthopedic applications.

Researchers in Australia have made breakthrough progress using the power of diamonds, potentially revolutionizing the way the human body accepts biomedical implants. Researchers from RMIT University successfully coated 3D printed titanium implants with diamonds. This is the use of 3D printed diamond implants for biomedical and orthopedic applications, involving surgeries related to the human musculoskeletal system. Although titanium provides a fast, accurate, and reliable material for medical-grade and patient-specific implants, our bodies sometimes reject this material due to compounds on titanium that prevent effective interaction between tissues and bones with biomedical implants. Synthetic diamonds offer a cost-effective solution to this problem. This breakthrough was achieved by biomedical engineer Dr. Kate Fox and her team at RMIT's School of Engineering. The coating was produced using a microwave plasma process at the Melbourne Nano Manufacturing Centre. The combination of titanium scaffolds with diamonds forms a biomaterial. "This technology will take several more years to launch; many steps need to be taken before it can be used by patients," Fox said. "But what we have done is a key step in a long and incredible journey." Postdoctoral researcher Aaqil Rifai is collaborating with Fox on this new technology research, stating, "Diamonds are very effective because carbon is a major component of the human body. Carbon has incredible biocompatibility." Rifai added, "Our bodies easily accept diamonds and use them as platforms for complex material interfaces." In addition to orthopedics, diamonds are also used to coat cardiovascular stents—catheters that help keep heart arteries open—as well as in bionics and prosthetics. Currently, researchers are focusing on how to apply this technology in orthopedics. "3D printing is a groundbreaking revolution in modern times. Through 3D printing, we can design specific medical-grade implants. This technology is fast, accurate, reliable, and labor-saving," Rifai said: "The scalability of 3D printing is rapidly increasing; therefore, we can foresee that diamond coatings will become increasingly common in orthopedics in the near future." Diamonds are one of the special materials found in nature with properties such as hardness, low friction coefficient, high elastic modulus, high thermal conductivity, high insulation properties, wide bandgap, high sound propagation rate, and good chemical stability. Although natural diamonds possess these characteristics, they have only existed as gemstones; their variability and rarity greatly limit their applications. However, CVD diamond films prepared by Luoyang Yuxin Diamond combine these excellent physicochemical properties at a lower cost than natural diamonds and can be fabricated into various geometric shapes with broad application prospects in industries such as electronics, optics, and mechanics.

Aug 16,2021

The mechanical industry is gradually recovering, but insufficient orders have become the primary difficulty.

On August 7, Chen Bin, Executive Vice President of the China Machinery Industry Federation, stated at the information release conference on the economic operation of the machinery industry in the first half of the year that it is expected that the economic operation of the machinery industry for the whole year will show a trend of low in the front and high in the back, gradually recovering. Indicators such as industrial added value, operating income, and total profit are expected to achieve slight positive growth.

Aug 27,2021

In the first half of 2020, bearing imports rose against the trend, and high-end manufacturing is gaining momentum.

In June 2020, China's foreign exchange for bearing imports was $368 million, an increase of 10.13% month-on-month and a year-on-year increase of 34.64% compared to June last year, with an increase of 26.47 percentage points from the previous month's growth rate of 8.17%. The number of bearing imports reached 191 million sets, a month-on-month increase of 3.74%, a year-on-year increase of 26.61% compared to June last year, and an increase of 22.61 percentage points from the previous month's growth rate of 4%. As of June 2020, China had accumulated foreign exchange for imports totaling $1.907 billion, which is a year-on-year increase of 12.37%. This is an increase of 4.27 percentage points from last month's rate of 8.1%. The number of imported bearings was 1.151 billion sets, an increase of 15.31% compared to the same period last year, and an increase of 2.02 percentage points from last month's growth rate of 13.29%. From the perspective of imported bearing categories, the foreign exchange for tapered roller bearings increased by 45.98% year-on-year, becoming the main driver for bearing import foreign exchange; followed by bearing parts with a year-on-year growth rate of 25.3%, other ball bearings with a growth rate of 23.24%, cylindrical roller bearings with a growth rate of 15.39%, and spherical roller bearings with a growth rate of 13.73%. It is not difficult to see that under the new situation, significant changes are occurring in the structure of the bearing market. From the perspective of importing countries, foreign exchange from Japan reached $490 million, ranking first with a year-on-year growth rate of 4.61%. Germany ranked second with $420 million in foreign exchange for imports but had a remarkable growth rate of 28.31%. Surprisingly, Taiwan's import foreign exchange for bearings reached $137 million, ranking third with an astonishing year-on-year growth rate of 346%. This indicates that as China's economic structure adjusts, significant changes are also occurring in the market for importing countries for bearings.

Aug 27,2021

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Diamond grinding wheel manufacturers: What is a diamond grinding wheel?

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